MR. MARK HADLEY PMHNP-BC
NPI 1457294449
Nurse Practitioner - Psychiatric/Mental Health in Washougal, WA

Active since April 13, 2026
82 WASHOUGAL RIVER RD STE 114, WASHOUGAL, WA 98671(360) 688-3936 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Mark Hadley Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. MARK HADLEY PMHNP-BC (NPI 1457294449) is an individual psychiatric/mental health provider in Washougal, Washington, licensed in Washington (AP70093900) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1457294449
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. MARK HADLEYCredential: PMHNP-BC
Location Address82 WASHOUGAL RIVER RD STE 114Washougal, WA 98671-2377
Mailing Address82 Washougal River Rd Ste 114Washougal, WA 98671-2377 · (360) 688-3936
Sole ProprietorYes
Enumeration DateApril 13, 2026
NPPES CertifiedApril 13, 2026
NPI 1457294449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in WA · AP70093900
82 WASHOUGAL RIVER RD STE 114, Washougal, WA 98671

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Hadley's NPI number?

The NPI number for Mark Hadley is 1457294449. It was assigned to this individual provider in the NPPES registry on April 13, 2026.

Where is Mark Hadley located?

Mark Hadley practices at 82 Washougal River Rd Ste 114, Washougal, WA 98671. The listed phone number is (360) 688-3936.

What is Mark Hadley's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Mark Hadley was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.